Occasionally red lead is added to the leady oxide.

有时将铅丹加到铅粉中。

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The additive is the reaction product of sulphuric acid, water and leady oxide.

该添加剂是硫酸、水和含铅氧化物的反应产物。

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The additive is the reaction product of sulphuric acid, water and leady oxide.

该添加剂是硫酸、水和含铅氧化物的反应产物。

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